class Stu {
    constructor() {
        this.item = 'front-end';
        this.income = '15k';
    }
}

let age = 18;
let arr = ['唱','跳','rap','打篮球'];

let stu145 = new Stu();
let stu146 = new Stu();
let stu144 = new Stu();
export {
    stu145,
    stu144,
    stu146,
    age
}